tab:nth-child($channel_index$) {
    background-image: linear-gradient(90deg, #202020 $channel_gradpct$%, $channel_dkcolour$);
}

tab:nth-child($channel_index$):checked {
    background-image: linear-gradient(90deg, #202020 $channel_gradpct$%, $channel_colour$);
}

.channel_tab {
    background-image: linear-gradient(180deg, $channel_colour$, #202020 8px);
}

.channel_button_color {
    background-image: linear-gradient(180deg, $channel_colour$, $channel_dkcolour$);
    border-color: $channel_dkcolour$;
}

.channel_button_color_label {
    color: $channel_btn_fgcolour$;
}